import router from './router';
import store from './store';
import NProgress from 'nprogress'; // progress bar
import 'nprogress/nprogress.css'; // progress bar style
import { getToken } from '@/utils/auth'; // get token from cookie
import getPageTitle from '@/utils/get-page-title';

NProgress.configure({ showSpinner: false }); // NProgress Configuration
const whiteList = ['/login']; // no redirect whitelist
router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start();

  // set page title
  document.title = getPageTitle(to.meta.title);
  // determine whether the user has logged in
  const hasToken = getToken();
  // return false
  if (hasToken && typeof (hasToken) !== "undefined") {
    if (to.path === '/login' || to.path === '/') {
      next('/index/index');
    } else {
      if (store.getters.addRouters.length === 0) {
        store.dispatch("GenerateRoutes", to.path).then(
          next({
            ...to.path,
            replace: true
          })
        )
          .catch(err => {
            console.log(err);
          });
      } else {
        next({
          ...to.path,
          replace: true
        });
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next();
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login`);
      NProgress.done();
    }
  }
});

router.afterEach(() => {
  // finish progress bar
  NProgress.done();
});
